Academic posters are utilized as a method of promotion and explanation for research
They are most commonly intended for use as a complement to another presentation of your research, such as...
an academic talk
a scientific paper
a publication
Of lesser importance than the material they are supplementing, hence their serving more of an introductory purpose
Poster Sessions
Juried presentation of research
The jury is typically comprised of persons from various research teams with an academic or professional focus
Poster sessions are an expected element of most scientific conferences, wherein one finds a dedicated zone for this function
As far as scheduling goes, one will often find that each project is presented in as short as 10 minutes, or as long as a few hours.
Poster session zones often look the same, regardless of the particular conference, in that they usually consist of portable walls, upon which the posters are affixed; the researcher(s) stand next to their respective posters, answering questions
Effective Poster Design
creating a poster to effectively convey content
Function
Poster Sessions
Design